18717090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4727

約数の個数: 64

約数和(自身を含む): 54051840

約数和(自身を除く): 35334750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4691, 9382, 14073, 23455, 28146, 32837, 46910, 65674, 70365, 89129, 98511, 140730, 164185, 178258, 197022, 267387, 328370, 445645, 492555, 534774, 623903, 891290, 985110, 1247806, 1336935, 1871709, 2673870, 3119515, 3743418, 6239030, 9358545, 18717090]

約数ペア:

[(1, 18717090), (2, 9358545), (3, 6239030), (5, 3743418), (6, 3119515), (7, 2673870), (10, 1871709), (14, 1336935), (15, 1247806), (19, 985110), (21, 891290), (30, 623903), (35, 534774), (38, 492555), (42, 445645), (57, 328370), (70, 267387), (95, 197022), (105, 178258), (114, 164185), (133, 140730), (190, 98511), (210, 89129), (266, 70365), (285, 65674), (399, 46910), (570, 32837), (665, 28146), (798, 23455), (1330, 14073), (1995, 9382), (3990, 4691)]